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Lisa [10]
3 years ago
15

Directions:

Mathematics
1 answer:
Nadya [2.5K]3 years ago
4 0
1. The first angle is a supplementary angle , which equals to 180 degrees.

2. The second angle is a complementary angle which is 90 degrees.

hope this helps !
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GIVING 20 POINTS PLS HELP!!!
ser-zykov [4K]

Answer:

The answer is C. -336

Step-by-step explanation:

All you have to do is 25 - 39 = -14 x 24 = -336

Hope this helps :)

4 0
3 years ago
Explain how to find 3/4 of 20 using a model. Include a drawing
Igoryamba
Ok so it would be 3/4 times 20
And you would get 15
I would draw a circle that adds up to 100
To do this multiply the 20 five times to get 100
Then multiply the 15 by the same number (5) to get 75
Draw a circle and shade in 75% of it and that is your answer
3 0
3 years ago
Use the graph of f(x) below to estimate the value of f '(3):
klio [65]
Well, looking at the graph, notice, its vertex is at 0,9, and it passes through the points -3,0 and 3,0, so hmm let's use 3,0, to get the equation of f(x)

\bf ~~~~~~\textit{parabola vertex form}
\\\\
\begin{array}{llll}
\boxed{y=a(x- h)^2+ k}\\\\
x=a(y- k)^2+ h
\end{array}
\qquad\qquad
vertex~~(\stackrel{}{ h},\stackrel{}{ k})\\\\
-------------------------------

\bf vertex~(0,9)~
\begin{cases}
h=0\\
k=9
\end{cases}\implies y=a(x-0)^2+9
\\\\\\
\textit{we also know that }
\begin{cases}
x=3\\
y=0
\end{cases}\implies 0=a(3-0)^2+9
\\\\\\
-9=9a\implies \cfrac{-9}{9}=a\implies -1=a\quad thus\quad \boxed{y=-x^2+9}
\\\\\\
\left. \cfrac{dy}{dx}=-2x \right|_{x=3}\implies -6
3 0
3 years ago
Read 2 more answers
Which ratios are equivalent to 3:4
valentina_108 [34]
9:12, 18:24,6:8

3*3=9 and 4*3=12

3*6=18 and 4*6=24

3*2=6 and 4*2=8
6 0
3 years ago
Read 2 more answers
A ray is a defined term because it
m_a_m_a [10]

Answer:

Option D is correct.

Step-by-step explanation:

Given that

A ray is a defined term we have to give the reason of the above statement.

A ray is a line or a part of a line that has one endpoint which we defined and other goes on infinitely in only one direction.

One of the example is a sun's ray of light in space. Light from the sun originates and travels from the sun, and its path extends infinitely.\

Hence, we say that "A ray is a defined term because it travels forever in one direction"

Option D is correct.

3 0
3 years ago
Read 2 more answers
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